Apple iCloud up to 7.16 on Windows WebKit Page Loading DOM-Based memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Apple iCloud up to 7.16 on Windows (Cloud Software). It has been rated as problematic. Affected by this issue is some unknown functionality of the component WebKit Page Loading. The manipulation with an unknown input leads to a memory corruption vulnerability (DOM-Based). Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is integrity. CVE summarizes:

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, tvOS 13.3.1, Safari 13.0.5, iTunes for Windows 12.10.4, iCloud for Windows 11.0, iCloud for Windows 7.17. Processing maliciously crafted web content may lead to arbitrary code execution.

The weakness was shared 01/28/2020 by Ryan Pickren as HT210948 as confirmed advisory (Website). The advisory is available at This vulnerability is handled as CVE-2020-3865. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The advisory points out:

A logic issue was addressed with improved validation.

Upgrading to version 7.17 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.







CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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NVD Base Score: 8.8
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Name: DOM-Based
Class: Memory corruption / DOM-Based
CWE: CWE-119

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
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Upgrade: iCloud 7.17


12/18/2019 🔍
01/28/2020 +41 days 🔍
01/28/2020 +0 days 🔍
02/28/2020 +31 days 🔍
04/06/2024 +1499 days 🔍



Advisory: HT210948
Researcher: Ryan Pickren
Status: Confirmed

CVE: CVE-2020-3865 (🔍)


Created: 02/28/2020 01:43 PM
Updated: 04/06/2024 02:47 PM
Changes: 02/28/2020 01:43 PM (48), 02/28/2020 01:48 PM (17), 04/06/2024 02:47 PM (18)
Complete: 🔍
Cache ID: 3:D1A:40


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